I guess it depends on the resolution. To remove a given scratch of a given absol... | Hacker News

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		makapuf on Sept 30, 2016 \| parent \| context \| favorite \| on: Surface Blur and Median I guess it depends on the resolution. To remove a given scratch of a given absolute size in cm, if your photo has twice the resolution you will need twice the pixels so twice the pixel size.

greydius on Sept 30, 2016 [–]

Twice the resolution is 4 times the pixels, no?

makapuf on Oct 1, 2016 | [–]

Yes, but twice the radius (in pixels) Is also four times the (affected) pixels.

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